Winner of the Building Product Awards Survey for three years running.
Western Window Systems Series 670 hinged window line offers the styles, sizes, and performance features to enhance any type of home.
Combining clean design and optimal performance with the same commitment to superior craftsmanship found in our multi-slide and bi-fold doors, the Series 670 window line can be integrated with our hinged doors, sliding doors, and fixed window walls for maximum views and ventilation.
Start by choosing your Series 670 in casement, push-out casement, awning, or hopper styles. From there, a vast range of options lets you customize your windows as you see fit.
“The 4.5” frame directly mulls to most of the other products. This eliminates the need to insert operable windows and allows us to keep the narrow sight lines that we look for.”Brissette Architects, Scottsdale, Arizona
Clean Design
Designed with a 4.5” frame depth, the Series 670 can be directly mulled to most of Western Window Systems’ product lines such as hinged doors, sliding doors, and fixed window walls.
Sloped Sill
For improved water drainage, each window style in the Series 670 line includes a sloped sill.
Thermally Broken Aluminum
Thermally broken aluminum provides an insulating barrier that increases energy performance.
Designed and Tested for Durability
Because we build and test our windows to last, you can enjoy your Western Window Systems product for years to come. Manufactured in the U.S., each of our product families is tested for air, water, and structural performance and certified by the NFRC (National Fenestration Rating Council) and AAMA (American Architectural Manufacturers Association).
Climate Ready Glass
The Series 670 features dual-paned low-E glass for better energy performance. Glass can be customized in a variety of types, colors, and thicknesses for improved privacy, protection, and thermal efficiency.

The Series 670 Casement hinges on the side, swings outward to the left or right, and provides excellent ventilation.
Thermally broken aluminum and dual-paned low-E glass keeps it energy-efficient. A sloped sill improves water performance. Countless sizes and finishes let you customize as you see fit. And because it’s aluminum, the Series 670 Casement is also low maintenance.
Smooth Operation
Butt hinges and a roto operator make for effortless opening and closing.
Screening
Manufactured from extruded aluminum for durability, screens employ an easy-to-use concealed ball catch system. Screen frames are finished to match the window’s frame color. For casements, which swing out, screens are mounted to the interior.
Window Heads
Western Window Systems offers a raked head window shape option for the Series 670 Casement.
Locking System
The Series 670 Casement features a hidden, multi-point locking system.
Heavy Duty Hardware
For strength and smooth operation, Western Window Systems uses premium hardware for its windows. All fasteners are stainless steel.
Sizes
The Series 670 Casement is available in widths from 16” to 42” and heights from 16” to 120”.

The Series 670 Push-Out Casement combines the traditional appeal of a push-out window with modern efficiencies. It opens easily with the turn of the handle and a light push.
Thermally broken aluminum and dual-paned low-E glass keeps the Series 670 Push-Out Casement energy-efficient. A sloped sill improves water performance. Countless sizes and finishes let you customize as you see fit. And because it’s aluminum, it’s low maintenance.
Smooth Operation
The Series 670 Push-Out Casement opens easily with the turn of the handle and a light push. Stainless steel four-bar hinges with an adjustable tensioning device keep the sash in place when open. Screening not available.
Locking System
The Series 670 Push-Out Casement features durable locking handles.
Heavy Duty Hardware
For strength and smooth operation, Western Window Systems uses stainless steel hardware for its windows. High-quality interior hardware is available in brushed nickel.
Sizes
The Series 670 Push-Out Casement is available in widths from 16” to 36” and heights from 16” to 72”.

The Series 670 Awning hinges on the top, opens outward, and is typically wider than it is tall. Ideal for providing natural light and ventilation to small areas, it saves space by opening out from the bottom.
Thermally broken aluminum and dual-paned low-E glass keeps the Series 670 Awning energy-efficient. A sloped sill improves water performance. Countless sizes and finishes let you customize as you see fit. And because it’s aluminum, it’s low maintenance, too.
Smooth Operation
For performance and control the Series 670 Awning employs a double scissor-arm operator.
Screening
Series 670 screens are designed to provide protection from outside pests while complementing the window line's clean, contemporary style Manufactured from extruded aluminum for durability, they employ an easy-to-use concealed ball catch system. Screen frames are finished to match the window’s frame color.
Sizes
The Series 670 Awning is available in widths from 21” to 60” and heights from 16” to 48”.
Push-Out Style
If desired, the Series 670 Awning is available in a push-out style with cam lever handles. Screens are not available.
Locking System
The Series 670 Awning features a hidden locking system.
Heavy Duty Hardware
For strength and smooth operation, Western Window Systems uses stainless steel hardware for its windows. High-quality interior hardware is available in brushed nickel or painted to match the frame finish.
Motorized Operators
For awning windows in hard-to-reach areas, we recommend the Sentry 2 WLS System from Amesbury Truth. Motorized operators are not available through Western Window Sytems.

The Series 670 Hopper hinges on the bottom and opens from the top. Hopper windows are the perfect solution in places where there is limited space for a window to extend to the outside. When used in basements, it helps prevent leaves, dust, and other debris from blowing inside while still providing ventilation.
Thermally broken aluminum and dual-paned low-E glass keeps the Series 670 Hopper energy-efficient. A sloped sill improves water performance. Countless sizes and finishes let you customize as you see fit. And because it’s aluminum, it’s low maintenance, too.
Locking System
The Series 670 Hopper locks with a pawl handle or ring pull.
Heavy Duty Hardware
Depending on size and placement, the Series 670 Hopper is available with a pawl handle or ring-pull latch with an extension pole. High-quality interior hardware is brushed nickel.
Sizes
The Series 670 Hopper is available in widths from 16” to 60” and heights from 16” to 48”.
Screening
Series 670 screens are designed to provide protection from outside pests while complementing the window line's clean, contemporary style. Manufactured from extruded aluminum for durability, they employ an easy-to-use concealed clip system. Screen frames are finished to match the window’s frame color.
Aluminum Finishes
Aluminum finishes for the Series 670 Hinged Window are available in-stock, as designer selections, and can be customized to match nearly any color. Samples shown are representative only. For exact paint swatch samples, contact us.
In-Stock Finishes
Bronze Anodized and Satin Anodized aluminum come standard with a Class 1 coating thickness for increased smoothness and durability.
Designer Finishes
Our designer colors are based upon popular paint choices in the homebuilding industry and include a high-quality paint finish that conforms to a minimum rating of AAMA-2605, currently the highest rating for organic finishes.
Custom Finishes
Have a specific color in mind? We can customize the color of your Series 670 Hinged Window to match virtually any finish.